Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Default values Data types Primary keys All of these Default values Data types Primary keys All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? SAVE MODIFY SAVE AS UPDATE SAVE MODIFY SAVE AS UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? MOST UPPER TOP MAX MOST UPPER TOP MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. False True False True ANSWER DOWNLOAD EXAMIANS APP
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